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Page Title:
BALLISTICS DRIVE INSTALLATION (CONT) |
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 TM 9-1220-231-34&P
4-5.
BALLISTICS DRIVE INSTALLATION (CONT)
Procedure
Using hands, turn cross shaft (1) in both directions. Be sure cross shaft (1) turns freely.
1.
Using rag and alcohol, clean mounting hole on gun trunnion (2) for installing end of
2.
trunnion link (3) (JPG).
Install stud end of trunnion link (3) in gun trunnion (2) and using 15/16" wrench,
3.
install washer (4) and nut (5).
Remove four screws (6), four washers (7), and two caps (8) from connecting arm (9).
4.
Using 15/16" wrench, loosen two screws (10) on trunnion link (3).
5.
Raise free end of trunnion link (3) and put spindle (11) in bearing slot of connecting
6.
arm (9). Turn link tube (3) to lengthen or shorten the trunnion link (3) to make spindle
(11) fit easily in the bearing slot of connecting arm (9) if necessary.
Put two caps (8) on end of connecting arm (9) to hold end of trunnion link (3).
7.
Using 1/2" wrench, install four washers (7) and four screws (6) to hold two caps (8).
8.
GO TO FRAME 6
Para 4-5 Cont
Vol II
4-14
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